Summary table of results from viral infectivity assay

Time pointNegative,an (%)Positive,an (%)Total number of patient samples analyzed
Cells stain positive for virusPlaques in monolayerComplete/ partial monolayer destruction or quantifiable
Cycle 1, day 1 (day 0)0 (0)0014 (100)14
Cycle 2, day 1 (day 22)3 (20)04 (26.7)8 (53.3)15
Cycle 3, day 1 (day 43)9 (75)3 (25)0012

aExample images for each level of infectivity are provided in Additional file 2: Figure S5